Medicago italica root nodules 2

Phylogenetics Shows Nitrogen-Fixing Plant Symbiosis Was Lost Repeatedly

Nitrogen fixation is a crucial part of plant growth and agriculture. Because the element nitrogen is a critical ingredient for proper development of plants, they need a steady supply of it in order to grow healthy and have a high yield of offspring seeds. For most plants, this is done by relying on nitrogen already […]

Dictyostelium discoideum 43

Bacteria-Eating Amoeba Effective Against Antibiotic-Resistant Biofilms

Biofilms are an ingenious evolutionary creation, but one that gives us humans a lot of trouble in fighting bacteria. Film Development Originally, there was no real need for bacteria to clump together in most situations, due to their free-floating water environment. But land surfaces (and debris in the waters) enabled them to form extracellular matrixes […]